It will be very attractive if the pool shape is oval. Arrange the pool sides with paved stones. It will keep that area neat and clean. Try to arrange some good flowering plants around the pool. It will be very attractive.
One cool idea for an above ground pool is to aquire or make one with an octagon shape since it is more unique. Another cool idea is to decorate the outside of the pool with lawn ornaments or other things you may like. You can also add pool basketball.